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All Journal JOURNAL OF HEALTHCARE TECHNOLOGY AND MEDICINE METALOGRAM
Balqis, Dinda
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Aerospace Engineering Automotive Engineering Computer Science & IT Control & Systems Engineering Engineering Health Professions Industrial & Manufacturing Engineering Medicine & Pharmacology

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HUBUNGAN RESILIENSI AKADEMIK DENGAN TINGKAT ANSIETAS, STRES AKADEMIK, DEPRESI REMAJA DI SEKOLAH MENENGAH ATAS BANDA ACEH Balqis, Dinda; Septiana, Nenty; Harahap, Inda Mariana
JOURNAL OF HEALTHCARE TECHNOLOGY AND MEDICINE Vol 11, No 1 (2025): APRIL 2025
Publisher : Universitas Ubudiyah Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33143/jhtm.v11i1.4749

Abstract

Latar Belakang Masalah: remaja merupakan periode penuh tantangan, terutama dalam bidang akademik. Tekanan untuk berprestasi sering menyebabkan ansietas, stres, dan depresi pada remaja. Tujuan penelitian ini adalah untuk mengetahui hubungan resiliensi akademik dengan tingkat ansietas, stres akademik, dan depresi remaja di Sekolah Menengah Atas (SMA). Populasi penelitian yaitu seluruh siswa kelas XII di SMA 5 Banda Aceh dan sampel penelitian berjumlah 80 orang dipilih secara randomized sampling. Pengumpulan data menggunakan kuesioner ARS-30 dan DASS-21. Hasil penelitian menunjukkan terdapat hubungan antara resiliensi akademik dengan tingkat ansietas, stress, dan depresi (p-value 0,021), (p-value 0,000), dan (p-value 0,000) pada remaja di SMA 5 Banda Aceh. Resiliensi akademik yang baik memungkinkan remaja mengatasi tekanan akademik dengan lebih baik dan mengurangi risiko gangguan psikologis. Oleh karena itu, dukungan dari guru, orang tua, serta program sekolah sangat penting dalam memperkuat ketahanan mereka. Hasil penelitian ini diharapkan dapat menjadi referensi bagi tenaga pendidik, orang tua, dan profesional kesehatan mental dalam mendukung kesejahteraan psikologis remaja.
The Effect of Imbalance On Rotor Vibration in Electric Motors Albaru, Agung; Balqis, Dinda; Afriandi, Irvan; Syaputra, Muhammad Lyan
METALOGRAM Metalogram Vol.01 No.03 (August,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i03.7979

Abstract

Mechanical system failures in electric motors are often caused by mass imbalance in the rotor. This imbalance occurs when the mass distribution is uneven relative to the axis of rotation, causing the center of mass to deviate from the rotational axis. Such conditions generate centrifugal forces that lead to excessive vibrations, accelerate component wear, reduce efficiency, and shorten the motor’s lifespan. Mass imbalance in the rotor system is one of the main causes of excessive vibration in rotating machines, which can result in performance degradation, component wear, and even catastrophic failure. This study aims to analyze the vibration characteristics caused by unbalance in a single rotor and evaluate the effectiveness of the trial weight balancing method (three-test-mass method) in reducing the resulting vibrations. Experimental testing was conducted using a Digital Signal Analyzer (DSA), an accelerometer sensor, and a rotor test system with various unbalanced mass configurations installed on the rotor disk. Vibration data were analyzed in both time and frequency domains using the Fast Fourier Transform (FFT) to identify dominant frequencies due to unbalance. The results show that the highest vibration amplitude occurs at the fundamental frequency corresponding to the rotor’s rotational speed. The three-test-mass balancing method proved effective in significantly reducing the vibration amplitude after mass correction. These findings indicate that identifying unbalance through vibration response and applying an appropriate balancing method can improve the stability and reliability of rotating rotor systems, including both three-phase induction motors and universal motors such as electric drills.
Co-Authors Albaru, Agung Inda Mariana Harahap Irvan Afriandi Septiana, Nenty Syaputra, Muhammad Lyan